You’ve seen them. They’re becoming ubiquitous. Sports events, concerts, bars, the designated smoking area outside your office, even your aunt’s house. If you don’t use portable vape cartridges, chances are you probably have a friend, family member, or know someone who does. Portable cannabis vaporizer cartridges are without a doubt one of the most popular cannabis products sold on the recreational market. Factors such as convenience, discreteness, value, and flavor have led to exponential sales growth over the past year. Somewhat similar to the idea of the nicotine “e-cig,” cartridges come pre-filled with concentrated cannabis oil. They attach to a battery operated vape “pen” which generates heat and produces vapor. Due to their small size and lightweight, cartridges are preferred for on-the-go use when you can’t access your usual smoking set up or just need to exercise more discretion. The...